Finding the Fourth Proportional to 176,246.90, 243,224.51 and 99,766.09
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Solution
The fourth proportional to 176,246.90, 243,224.51 and 99,766.09 is: 137,679.35
Step by Step Solution
- Step 1: Write the proportion equation
176,246.90 : 243,224.51 = 99,766.09 : x - Step 2: Convert to fraction form
176,246.90/243,224.51 = 99,766.09/x - Step 3: Cross multiply
176,246.90x = 243,224.51 × 99,766.09 - Step 4: Simplify right side
176,246.90x = 24,265,557,247.97 - Step 5: Solve for x
x = 24,265,557,247.97/176,246.90 - Step 6: Final answer
x = 137,679.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.